Lighting appliance



FIG. 1 is a perspective view of a lighting appliance according to the present application;

FIG. 2 is a top view of the lighting appliance according to the present application;

FIG. 3 is a bottom view of the lighting appliance according to the present application;

FIG. 4 is a front view of the lighting appliance according to the present application;

FIG. 5 is a right side view of the lighting appliance according to the present application;

FIG. 6 is a left side view of the lighting appliance according to the present application; and,

FIG. 7 is a back view of the lighting appliance according to the present application.

The broken lines of FIG. 3 are for the purpose of illustrating a part of the lighting apparatus and form no part of the claimed design. 

The ornamental design for a lighting appliance, as shown and described. 